Malicious PDF — malware analysis report

Static analysis result for SHA-256 a17a877b88468e70…

MALICIOUS

PDF

35.9 KB Created: 2021-08-14 09:30:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: 2a552c3ada4a55d46ef46961ca949057 SHA-1: cfd889744d9e420fda68d358e969dffd4393e8c4 SHA-256: a17a877b88468e707bcb5d2503caa5f6a0a60b744b2e80392af8525402edbba8
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its image-only nature and a single clickable action, typical of screenshot lures. ClamAV also detected it as a phishing trojan. While the embedded URL is marked as benign, the overall structure and detection suggest a malicious intent to redirect the user to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3316

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+get+better+at+combat+in+sea+of+thieves PDF link annotation

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